1 files changed, 39 insertions, 0 deletions

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 6e7a9d853191..5556c5fe489a 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -728,6 +728,41 @@ static const char *reg_initiator_name(enum nl80211_reg_initiator initiator)
                 return "Set by bug";
         }
 }
+
+static void chan_reg_rule_print_dbg(struct ieee80211_channel *chan,
+                                    u32 desired_bw_khz,
+                                    const struct ieee80211_reg_rule *reg_rule)
+{
+        const struct ieee80211_power_rule *power_rule;
+        const struct ieee80211_freq_range *freq_range;
+        char max_antenna_gain[32];
+
+        power_rule = &reg_rule->power_rule;
+        freq_range = &reg_rule->freq_range;
+
+        if (!power_rule->max_antenna_gain)
+                snprintf(max_antenna_gain, 32, "N/A");
+        else
+                snprintf(max_antenna_gain, 32, "%d", power_rule->max_antenna_gain);
+
+        REG_DBG_PRINT("cfg80211: Updating information on frequency %d MHz "
+                      "for %d a MHz width channel with regulatory rule:\n",
+                      chan->center_freq,
+                      KHZ_TO_MHZ(desired_bw_khz));
+
+        REG_DBG_PRINT("cfg80211: %d KHz - %d KHz @  KHz), (%s mBi, %d mBm)\n",
+                      freq_range->start_freq_khz,
+                      freq_range->end_freq_khz,
+                      max_antenna_gain,
+                      power_rule->max_eirp);
+}
+#else
+static void chan_reg_rule_print_dbg(struct ieee80211_channel *chan,
+                                    u32 desired_bw_khz,
+                                    const struct ieee80211_reg_rule *reg_rule)
+{
+        return;
+}
 #endif
 
 /*
@@ -790,6 +825,8 @@ static void handle_channel(struct wiphy *wiphy,
                 return;
         }
 
+        chan_reg_rule_print_dbg(chan, desired_bw_khz, reg_rule);
+
         power_rule = &reg_rule->power_rule;
         freq_range = &reg_rule->freq_range;
 
@@ -1134,6 +1171,8 @@ static void handle_channel_custom(struct wiphy *wiphy,
                 return;
         }
 
+        chan_reg_rule_print_dbg(chan, desired_bw_khz, reg_rule);
+
         power_rule = &reg_rule->power_rule;
         freq_range = &reg_rule->freq_range;